title: Screening for retinopathy of prematurity: results of a retrospective 3-year study of 502 infants.
mesh_terms: D005260:Female; D005654:Fundus Oculi; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D019102:Infant, Very Low Birth Weight; D008297:Male; D008403:Mass Screening; D009887:Ophthalmoscopy; D012178:Retinopathy of Prematurity / Q000175:diagnosis*; D012189:Retrospective Studies